Nat­u­ral Smoke and Heat Ex­haust Sys­tem en­ables au­to­matic open­ing of win­dows in the façade or roof in case of fire, in­forms Deepak Chugh, MD, LGF Sys­mac In­dia

MGS Architecture - - Contents -

In co-op­er­aɵon with Italy-based Ul­traflex Con­trol Sys­tems, LGF Sys­mac In­dia is of­fer­ing a Nat­u­ral Smoke and Heat Ex­haust Sys­tem (NSHEV) for au­tomaɵc open­ing of win­dows within the façade or on the roof, which en­ables a build­ing to be free of smoke and heat in case of fire, in­forms Deepak Chugh, Man­ag­ing Di­rec­tor, LGF Sys­mac In­dia

Fire and smoke pose a great hazard in high-rise build­ings and are a big con­cern since reach­ing a build­ing in case of fire and evac­u­at­ing the res­i­dents take a lot of time and ef­fort. A main cause of fa­tal­i­ties is smoke in­hala­tion, rather than the fire it­self. In the fast-chang­ing sce­nario of the fen­es­tra­tion in­dus­try, safety and se­cu­rity are of ut­most con­cern to real es­tate de­vel­op­ers, ar­chi­tects and façade con­sul­tants. The Nat­u­ral Smoke and Heat Ex­haust Sys­tem, which con­sists of a sys­tem of au­to­matic open­ing win­dows within the façade or on the roof, en­ables the build­ing to be free of smoke and heat at a rapid pace. NSHEV not only helps in sav­ing lives in case of fire in a glass façade or a res­i­den­tial build­ing, but also helps in en­ergy sav­ing by nat­u­ral ven­ti­la­tion and en­hanc­ing au­to­ma­tion within win­dows it­self. Ven­ti­la­tion open­ings in­crease the ther­mal up­lift gen­er­at­ing a chim­ney ef­fect. In the event of a fire, smoke rises up in­side the build­ing, which cre­ates a layer of dan­ger­ous and life-threat­en­ing gases un­der the ceil­ing, fill­ing-up the room in a very short time. The smoke ham­pers vis­i­bil­ity of the emer­gency ex­its and im­pedes in­ter­ven­tion of the fire­men. Above 90% of all fire vic­tims die due to smoke in­hala­tion, and the in­creas­ing num­ber of fa­tal­i­ties due to in­ci­dences of fire

and smoke bear tes­ti­mony to the dan­ger posed in high-rise build­ings. The au­to­mated Win­dow Ac­tu­a­tors & Con­trol Pan­els have been tested in fire con­di­tions to op­er­ate win­dows, sky­lights and lou­vres, such that the smoke has an es­cape route within sec­onds of be­ing de­tected. The ac­tu­a­tors, based on Bm­sline tech­nol­ogy, come with in­te­grated pro­gram­mable cir­cuit board, pro­vid­ing a two-way com­mu­ni­ca­tion with a com­puter sys­tem. They are to­tally pro­gram­mable and pro­vide 100% real-time feed­back on their sta­tus. In­te­grat­ing win­dow au­to­ma­tion with the Build­ing Man­age­ment Sys­tem (BMS) will en­able in­ter­ac­tion with other sys­tems in the build­ing (HVAC, Light­ing, etc.). Win­dows can be con­trolled lo­cally by a push but­ton or re­motely by tablet/smart phone (through our Myvent sys­tem), even with a cen­tral­ized BMS, which could help a build­ing breathe at night; have a sun-blade ac­tu­a­tor un­der con­trol to re­duce sun ra­di­a­tion and reg­u­late light; be­sides work­ing qui­etly in daily sce­nar­ios at full speed for emer­gen­cies that could be re­lated to smoke. Bm­sline ac­tu­a­tors help cre­ate an ad­dress­able sys­tem, en­sur­ing grouped win­dows in dif­fer­ent rooms, zones, fully com­pat­i­ble with all ex­ist­ing Build­ing Man­age­ment Sys­tems. Bm­sline ac­tu­a­tors can also be safely con­nected to Smoke Ven­ti­la­tion Con­trol Pan­els, fit­ted with bat­ter­ies. Bm­sline ac­tu­a­tors work qui­etly for ven­ti­la­tion and at full speed to force smoke and heat ex­trac­tion. To­tal com­mu­ni­ca­tion be­tween the nat­u­ral ven­ti­la­tion sys­tem and me­chan­i­cal / air con­di­tion­ing sys­tem helps to op­ti­mize en­ergy sav­ing and as­sures ther­mal com­fort and well­be­ing, which has a di­rect im­pact on the health and pro­duc­tiv­ity of in­di­vid­u­als. At the same time, the build­ing’s safety is as­sured by smoke ven­ti­la­tion in emer­gen­cies.

LGF Sys­mac has been pro­vid­ing in­no­va­tive so­lu­tions for Alu­minium and UPVC Doors & Win­dows and Glass Fa­cades since 2000, and has tested and in­stalled the prod­ucts in sev­eral build­ings in In­dia

Deepak Chugh

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